13069656 has 24 divisors (see below), whose sum is σ = 35397180. Its totient is φ = 4356528.

The previous prime is 13069649. The next prime is 13069657. The reversal of 13069656 is 65696031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13069656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90690 + ... + 90833.

Almost surely, 2^13069656 is an apocalyptic number.

It is an amenable number.

13069656 is an abundant number, since it is smaller than the sum of its proper divisors (22327524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13069656 is a wasteful number, since it uses less digits than its factorization.

13069656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181535 (or 181528 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 13069656 is about 3615.1979198932. The cubic root of 13069656 is about 235.5526813594.

The spelling of 13069656 in words is "thirteen million, sixty-nine thousand, six hundred fifty-six".